I find that Macs are like cars to their owners, which is why they last long than their PC counterparts (my opinion). How well do you take care of your iMac? Is it your baby like a Mustang or Corvette? What year is your iMac and what's the specs? Let's geek out over our iMacs Mine: 2011 21" iMac 2.5 GHz i5 4 GB RAM *soon to be 12GB 500 GB HDD w/ 500GB Time Machine external HDD. Mountain Lion. Yours?